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Sunday, July 26, 2020 | History

3 edition of Renal mesangial cell proliferation regulates proteoglycan levels and sulfation found in the catalog.

Renal mesangial cell proliferation regulates proteoglycan levels and sulfation

Donald Ferguson

Renal mesangial cell proliferation regulates proteoglycan levels and sulfation

by Donald Ferguson

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  • 15 Currently reading

Published by National Library of Canada in Ottawa .
Written in English


Edition Notes

Thesis (M.Sc.) -- University of Toronto, 1998.

SeriesCanadian theses = -- Thèses canadiennes
The Physical Object
FormatMicroform
Pagination1 microfiche : negative. --
ID Numbers
Open LibraryOL20181785M
ISBN 100612407780

diabetes is the most frequent cause of end-stage renal disease in the United States, currently accounting for more than 37% of all new cases annually ().Diabetic glomerulosclerosis (DG) affects 30–40% of all diabetics and is one of the leading causes of death among diabetic patients ().The primary cause for the loss of kidney function is the development of sclerotic glomerular lesions, which. Of the known membrane-associated proteoglycans on HT cells, syndecan-2 is the only one involved in the stimulation of FN assembly. Therefore, regulation of DTDST expression and sulfate transport provides a novel mechanism to modulate levels of matrix assembly through sulfation of cell .

Renal Blood Flow (RBF) - mL / min MESANGIAL CELLS: The kidneys do not regulate blood levels of amino acids. PROTEINS: Small protein-hormones (like ADH, PTH, Insulin) are reabsorbed by pinocytosis and then broken down inside the cells, and then transported back into the .   H. Colledge Last Modified Date: J Mesangial cells are found in a part of the kidney called the glomerulus — a ball of tiny blood vessels, or capillaries, involved in the filtration of blood and production of , waste, and excess nutrients are removed from the blood by filtration through the capillary walls into the surrounding Bowman's capsule.

To determine whether SMP is a potentially useful therapy for mesangial proliferative glomerular nephritis, the effects of SMP on TGF-β-induced ECM production in renal fibroblast cells, plus the effects of SMP on a rat Thy-1 nephritis model, where anti-TGF-β antiserum is effective, were investigated. In addition, the effect of SMP. Castellot JJ, Jr, Hoover RL, Harper PA, Karnovsky MJ: Heparin and glomerular epithelial cell-secreted heparin-like species inhibit mesangial cell proliferation. Am J .


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Renal mesangial cell proliferation regulates proteoglycan levels and sulfation by Donald Ferguson Download PDF EPUB FB2

Rat renal mesangial cells (RMCs) the proliferative state regulates the levels and sulfation of proteoglycans. In particular, cell layer and medium proteoglycan levels are lower in randomly cycling RMCs than in relatively quiescent RMCs, and one proteoglycan - biglycan - has enhanced sulfation in randomly cycling RMCs compared to quiescent : Donald Ferguson.

All infections with the SBCMV clinical strain were performed at passage level 3. Primary human renal mesangial cell and renal glomerular endothelial cells were obtained from ScienCell (Carlsbad, CA) and cultivated in mesangial cell medium (MCM) and endothelial cell Cited by: 2.

The cell response to gd-IgA treatment was then measured both on gene and protein level and the proliferation rate of the cells in response to PDGF was investigated. Results When treated with gd-IgA, mesangial cells from patients with IgAN express and release more PDGF compared to by:   In the kidney, FGF2 has been shown to be proliferative for fibroblasts and mesangial cells, 39 In vitro studies showed that the expression of cell-surface HSPG was a prerequisite for the proliferation of renal fibroblasts in response to FGF2.

38 We therefore examined the functional role of the FGF2–proteoglycan interaction in mesangial Cited by:   RELEVANCE OF INCREASED MESANGIAL CELL PROLIFERATION Pathogenetic linkage of mesangial cell hyperplasia and glomerulosclerosis. Because proliferation of MCs in the normal adult kidney is tightly regulated with a growth rate of less than 1%, quiescent MCs can be assumed to interact with no or few mitogens and/or to be protected by either down-regulation of Cited by: In the cultured rat mesangial cell line HBZY-1, overexpression of NG2 promoted mesangial cell proliferation and extracellular matrix (ECM) production, such as type VI collagen and laminin.

Mesangial proliferative glomerulonephritis (MPGN) is a condition that affects the kidneys. Many experts consider it a variant of minimal change disease, but some experts believe it is a separate may present with nephrotic syndrome, which is a group of symptoms that include protein in the urine (proteinuria), low blood protein levels, high cholesterol levels, high triglyceride.

Mesangial cells are specialised cells in the kidney that make up the mesangium of the er with the mesangial matrix, they form the vascular pole of the renal corpuscle. The mesangial cell population accounts for approximately % of the total cells in the glomerulus.

Mesangial cells can be categorized as either extraglomerular mesangial cells or intraglomerular mesangial. Mechanism Mesangial cells in the renal glomerulus use endocytosis to take up and degrade circulating immunoglobulin. This normal process stimulates mesangial cell proliferation and matrix deposition.

Its inhibitory effects on cell growth have also been observed in tumor cells, with some of these cells secreting lumican in an autocrine manner []. In melanoma cells, lumican regulates vertical growth, suppresses anchorage‐independent proliferation and inhibits cyclin D1 expression [[78, 79]].

Regulation of mesangial cell proliferation HARALD O. SCHO¨ CKLMANN,STEFAN LANG, and R. BERND STERZEL In glomeruli, apoptotic was associated with a reduction of p27Kip1 levels. The bodies can be found in renal biopsies from patients with resolution of MC proliferation was associated with a negatively regulate the cell cycle by ment of.

Glomerular visceral epithelial cells produced significantly higher levels of HS (between and micrograms/72 h per 10(6) cells) than mesangial cells (between and micrograms.

Article Info. Regulation of mesangial cell proliferation. Regardless of the source of injury, an imbalance in the control of mesangial cell proliferation appears to play a direct role in the degree of progressive renal injury and glomerulosclerosis.

Some of the regulatory mechanisms include specific soluble or non-soluble extracellular factors and a complex array of receptor-mediated signals that control the progression of the cell cycle or cell. Renal mesangial cells (RMC) are perivascular cells located within the central portion of the glomerular tuft between capillary loops.

Mesangial cells have a variety of functions including synthesis and assembly of the mesangial matrix, endocytosis and processing of plasma macromolecules, and control of glomerular hemodynamics via mesangial cell.

Mesangial proliferative glomerulonephritis (MPGN) is the most common type of chronic kidney disease in China, characterized by mesangial cell proliferation and inflammatory response.

Paeoniflorin, an effective composition extracted from Radix Paeoniae Alba, has been used for various kinds of kidney diseases. However, there are no studies reporting the effects of paeoniflorin on MPGN. Kidney disease due to acute kidney injury and/or chronic kidney diseases is frequent in different diseases and disorders, such as glomerulonephritis, inflammatory bowel diseases (IBD), diabetic nephropathy and renal fibrosis [1,2,3].It is characterized by reduced kidney function, which includes the mesangial cell (MC) proliferation, glomerular and tubular damage with loss of glomerular.

Through integrin binding, CCN2 mediates vascular cell migration and proliferation and regulates endothelial BM formation. The general association of matricellular proteins with stem cell niches across species further suggests that matricellular proteins should be considered more closely for their potential role tissue regeneration 5, Regulation of Mesangial Cell Proliferation Jurgen Floege, MD, Nicholas Topley, PhD, and Klans Resch, MD • Mesangial cell proliferation constitutes a frequent finding in a number of glomerular diseases that progress to glomerular sclerosis.

The factors responsible for mesangial cell growth regulation in vivo are ill defined. However. Human Renal Mesangial Cells. More Views. Human Renal Mesangial Cells Catalog # Email to a Friend. Be the first to review this product.

Isolated from human renal tissue. HRMC are cryopreserved after purification and delivered frozen. Each vial contains >5 x 10^5 cells.

Inhibition by 9‐cRA of FCS‐stimulated mesangial cell proliferation (measured as MTT reduction). Quiescent mesangial cells were incubated for 2 h with 9‐cRA. FCS (20%) or an equivalent amount of medium (to obtain the basal values of every experimental condition) was then added and cells were incubated for 24 h.

GAGs inhibit mesangial cell proliferation in vitro and in the animal models in which they are nephroprotective, i.e. the subtotally nephrectomized rat, the puromycin and the habu snake venom-induced nephrosis, the anti-Thy mesangioproliferative glomerulonephritis [13, 14] and the spontaneously glomerulosclerostic GH-transgenic mice.Diabetic nephropathy is characterized early in its course by glomerular hypertrophy and, importantly, mesangial hypertrophy, which correlate with eventual glomerulosclerosis.

The mechanism of hypertrophy, however, is not known. Gene disruption of the tumor suppressor PTEN, a negative regulator of the phosphatidylinositol 3-kinase/Akt pathway, in fruit flies and mice demonstrated its role in.Although glomerulonephritis and renal failure have been observed after allogenic stem cell transplantation, only a few such reports were published about patients undergoing autologous stem cell transplantation.

We report a case of mesangial proliferative glomerulonephritis developing 4 months after autologous stem cell transplantation for chronic lymphatic leukemia.